<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" auto-complete="on"
      label-position="left">

      <div class="title-container">
        <h3 class="title">Login AegisCloud</h3>
      </div>

      <el-form-item>
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input ref="username" v-model="loginForm.username" placeholder="Username" name="username" type="text"
          tabindex="1" auto-complete="on" />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input :key="passwordType" ref="password" v-model="loginForm.password" :type="passwordType"
          placeholder="Password" name="password" tabindex="2" auto-complete="on" @keyup.enter.native="handleLogin" />
        <span class="show-pwd" @click="showPwd">
          <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
        </span>
      </el-form-item>

      <!-- 验证码 -->
      <el-form-item style="width: 50%;height: 50px;">
        <span class="svg-container">
          <svg-icon icon-class="example" />
        </span>
        <el-input ref="password" v-model="loginForm.securityCode" tabindex="3" auto-complete="on" />

        <el-image class="verifyImg" :src="verUrl" fit="contain" @click="refVerificationCode"> </el-image>
      </el-form-item>



      <!-- 邮箱 -->
      <el-form-item :class="isEMail === true ?'show_type':'none_type'">
        <span class="svg-container">
          <svg-icon icon-class="email" />
        </span>
        <el-input ref="password" v-model="loginForm.eMail" tabindex="3" auto-complete="on" />
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:48%;margin-bottom:30px;margin-top: 20px;"
        @click.native.prevent="handleLogin"> Login </el-button>

      <el-button :loading="loading" type="info" style="width:48%;margin-bottom:30px;margin-top: 20px;"
        @click.native.prevent="handleRegister"> Register </el-button>
      <div class="tips">
        <span style="margin-right:20px;margin-top: 10px;">Developed by XiaoZhengRS | © AegisCloud Lua inc.</span>
      </div>

    </el-form>
  </div>

</template>

<script>
  import {
    validUsername
  } from '@/utils/validate'

  import {
    MessageBox,
    Message
  } from 'element-ui'

  import {
    api_login,
    api_verifyToken,
    api_register
  } from "@/api/user"

  import {
    getToken,
    setToken,
    removeToken
  } from '@/utils/auth'

  export default {
    name: 'Login',
    data() {
      const validatePassword = (rule, value, callback) => {
        if (value.length < 6) {
          callback(new Error('密码不能小于6位'))
        } else {
          callback()
        }
      }
      return {
        loginForm: {
          username: 'xiaozhengrs',
          password: 'xiaozhengrs',
          securityCode: '',
          eMail: ""
        },
        loginRules: {
          password: [{
            required: true,
            trigger: 'blur',
            validator: validatePassword
          }]
        },
        loading: false,
        passwordType: 'password',
        redirect: undefined,
        verUrl: '',
        verifyDate: "",
        isEMail: false
      }
    },
    watch: {
      $route: {
        handler: function(route) {
          this.redirect = route.query && route.query.redirect
        },
        immediate: true
      }
    },
    mounted() {
      this.refVerificationCode()
    },
    created() {
      this.isLogin();
    },
    methods: {
      showPwd() {
        if (this.passwordType === 'password') {
          this.passwordType = ''
        } else {
          this.passwordType = 'password'
        }
        this.$nextTick(() => {
          this.$refs.password.focus()
        })
      },
      async handleRegister() {
        //进行注册操作
        if (this.isEMail === false) {
          this.isEMail = true
          Message({
            message: '请输入邮箱完成注册! ',
            type: 'warning',
            duration: 3 * 1000
          })
          return
        }

        const res = await api_register(
          this.loginForm.eMail,
          this.loginForm.username,
          this.loginForm.password,
          this.verifyDate,
          this.loginForm.securityCode)
        if (res === null) return;
        this.$message.success('注册成功!');
      },
      async handleLogin() {
        //进行登录操作
        const res = await api_login(this.loginForm.username, this.loginForm.password, this.verifyDate, this.loginForm
          .securityCode)
        if (res === null) return;
        setToken(res.data.tokenValue)
        localStorage.setItem('ms_permission', res.data_standby);
        this.$message.success('登录成功');
        this.$router.push('/');
      },
      async isLogin() {
        const CToken = getToken();
        if (CToken != null) {
          const res = await api_verifyToken();
          this.$message.success(res.msg);
          localStorage.setItem('ms_permission', res.data_standby);
          this.$router.push('/');
        }
      },
      getTime() {
        this.verifyDate = Date.now();
        return this.verifyDate;
      },
      refVerificationCode() {
        this.verUrl = 'http://127.0.0.1:2333/web/open/GenerateVerificationCode?date=' + this.getTime();
      },
    }
  }
</script>

<style lang="scss">
  .show_type {}

  .none_type {
    display: none
  }

  .verifyImg {
    position: relative;
    display: inline-block;
    right: -110%;
    top: -55px;

    height: 100%;

    border: 1px solid rgba(85, 255, 0, 0.9);
    border-radius: 3px 3px 0 0;

    opacity: .9;
    transition: all .35s;
  }

  .verifyImg:hover {

    opacity: .95;
    cursor: pointer;

  }

  .verifyImg:focus {

    border: 1px solid #000000;

  }

  .verifyImg:active {

    transform: scale(.95);

  }

  /* 修复input 背景不协调 和光标变色 */
  /* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

  $bg:#1e1243;
  $light_gray:#fff;
  $cursor: #fff;

  @supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
    .login-container .el-input input {
      color: $cursor;
    }
  }

  /* reset element-ui css */
  .login-container {
    .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;

      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: $light_gray;
        height: 47px;
        caret-color: $cursor;

        &:-webkit-autofill {
          box-shadow: 0 0 0px 1000px $bg inset !important;
          -webkit-text-fill-color: $cursor !important;
        }
      }
    }

    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }
  }
</style>

<style lang="scss" scoped>
  $bg:#7950ff;
  $dark_gray:#00aaff;
  $light_gray:#eee;

  .login-container {
    min-height: 100%;
    width: 100%;
    background-color: $bg;
    overflow: hidden;

    .login-form {
      position: relative;
      width: 520px;
      max-width: 100%;
      padding: 160px 35px 0;
      margin: 0 auto;
      overflow: hidden;
    }

    .tips {
      font-size: 16px;
      color: #fff;
      margin-bottom: 18px;

      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }

    .svg-container {
      padding: 6px 5px 6px 15px;
      color: $dark_gray;
      vertical-align: middle;
      width: 30px;
      display: inline-block;
    }

    .title-container {
      position: relative;

      .title {
        font-size: 26px;
        color: #2a2a2a;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
      }
    }

    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: $dark_gray;
      cursor: pointer;
      user-select: none;
    }
  }
</style>
